2-D Directed Formation Control Based on Bipolar Coordinates

Farhad Mehdifar

doi:10.1109/TAC.2022.3206603

2-D Directed Formation Control Based on Bipolar Coordinates

2022-01-01

14

OA

AI

F

Farhad Mehdifar *

C

Charalampos P. Bechlioulis

DOI：10.1109/TAC.2022.3206603

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Abstract

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This work proposes a novel 2-D formation control scheme for acyclic triangulated directed graphs (a class of minimally acyclic persistent graphs) based on bipolar coordinates with (almost) global convergence to the desired shape. Prescribed performance control is employed to devise a decentralized control law that avoids singularities and introduces robustness against external disturbances while ensuring predefined transient and steady-state performance for the closed-loop system. Furthermore, it is shown that the proposed formation control scheme can handle formation maneuvering, scaling, and orientation specifications simultaneously. Additionally, the proposed control law is implementable in agents' arbitrarily oriented local coordinate frames using only low-cost onboard vision sensors, which are favorable for practical applications. Finally, a formation maneuvering simulation study verifies the proposed approach.

Keywords:

Bipolar coordinates

formation maneuvering

formation scaling

leader-follower multiagent system

prescribed performance control (PPC)

2-D Directed Formation Control Based on Bipolar Coordinates

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